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Finding the Fourth Proportional to 11,718.44, 17,574.78 and 3,510.44

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Solution

The fourth proportional to 11,718.44, 17,574.78 and 3,510.44 is: 5,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.44 : 17,574.78 = 3,510.44 : x
  2. Step 2: Convert to fraction form
    11,718.44/17,574.78 = 3,510.44/x
  3. Step 3: Cross multiply
    11,718.44x = 17,574.78 × 3,510.44
  4. Step 4: Simplify right side
    11,718.44x = 61,695,210.70
  5. Step 5: Solve for x
    x = 61,695,210.70/11,718.44
  6. Step 6: Final answer
    x = 5,264.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.